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Patent Searching and Data


Title:
WATER SUPPLY DEVICE AND METHOD OF CONTROLLING WATER SUPPLY DEVICE
Document Type and Number:
Japanese Patent JP2016125477
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a water supply device capable of improving pump efficiency.SOLUTION: A water supply device 1 includes: a suction pipe 21 connected to a water supply source; a plurality of branch pipes 23 branching off from the suction pipe 21; pumps 61 respectively provided on the branch pipes 23; a plurality of merging pipes 31 respectively provided on the pumps 61; a discharge pipe 33 connected to the plurality of merged merging pipes 31; and a control device 45 which is formed so as to alternately operate the plurality of pumps 61 and operate the plurality of pumps in parallel, and drives the plurality of pumps 61 at the same frequency during parallel operation.SELECTED DRAWING: Figure 1

Inventors:
ITO HIROYUKI
MIZUMOTO YOSHIO
TAMAGAWA MITSURU
Application Number:
JP2015002498A
Publication Date:
July 11, 2016
Filing Date:
January 08, 2015
Export Citation:
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Assignee:
KAWAMOTO PUMP MFG
International Classes:
F04B49/06; F04D15/00
Domestic Patent References:
JP2010229859A2010-10-14
JPH07279854A1995-10-27
Foreign References:
US4805118A1989-02-14
Attorney, Agent or Firm:
Kurata Masatoshi
Nobuhisa Nogawa
Takashi Mine
Naoki Kono
Katsu Sunagawa
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi